In $2010$, a library contained a total of $11500$ books in two categories -fiction and nonfiction. In $2015$, the library contained a total of $12760$ books in these two categories. During this period, there was $10\%$ increase in the fiction category while there was $12\%$ increase in the non-fiction category. How many fiction books were in the library in $2015?$ $6000$ $6160$ $5500$ $6600$
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Mar 20, 2020
in Quantitative Aptitude
go_editor
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